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Zarq Khan

@zarqkhan

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Senior full-stack engineer building scalable, secure SaaS and AI-powered web platforms.

Pakistan

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What I'm looking for

I’m looking to lead full-stack delivery in fast-paced product teams—building secure multi-tenant SaaS, integrating AI/ML, and shipping reliable cloud-native systems with strong CI/CD and observability.

I’m a Senior Full-Stack Software Engineer with 9+ years of experience delivering scalable, secure, production-grade web applications across SaaS, fintech, AI/ML, and cloud-native environments. I design backend services and multi-tenant SaaS architectures, build REST APIs and GraphQL where needed, and ship high-performance frontend experiences with React, Vue, and Angular.

Across my roles, I’ve integrated AI/ML workflows and OpenAI APIs into production systems, led cloud-native deployments on AWS with Docker and Kubernetes, and improved reliability through CI/CD automation (Terraform/Pulumi/Azure DevOps) plus monitoring and observability (AWS CloudWatch). I’ve optimized MySQL/Postgres queries to cut response times by 40%, expanded API usage to 10,000+ users in six months, maintained 99.9% API uptime, and improved model accuracy to 95%+—all while collaborating closely with product and engineering teams to deliver maintainable, user-focused software.

Experience

Work history, roles, and key accomplishments

Current

Senior Full-Stack Software Engineer

Current

Nexologics

Oct 2020 - Present (5 years 9 months)

Designed and delivered scalable full-stack applications using Laravel, Python, and Node.js with ReactJS, Vue.js, and AngularJS. Built REST APIs and AI-powered workflows, and led AWS cloud-native deployments with Docker and Kubernetes.

Team Lead/Full Stack Engineer

Join Smartly

Nov 2018 - Oct 2020 (1 year 11 months)

Led a distributed engineering team delivering multi-tenant SaaS platforms and scalable backend systems. Built API-driven services and microservices, integrated Python-based AI-assisted features, and improved resilience using event-driven architecture and Docker/Kubernetes deployments.

Vue.Js AngularJS Laravel SaaS architecture Backend Services Microservices Python REST APIs Event Driven Architecture Docker Kubernetes AWS ECS AWS RDS PostgreSQL MySQL CI CD Automation Agile Scrum

Software Engineer

Cloud Pacer

Dec 2015 - Nov 2018 (2 years 11 months)

Built and maintained full-stack web applications for SMB clients across retail and logistics, contributing across frontend, backend, cloud, and database layers. Developed ReactJS/AngularJS dashboards and backend services, and supported production deployments using Docker, Kubernetes, and CI/CD workflows.